China High-Performance 4-20mA to RS485 Multivariable Converter - SM626H-A-0 from China Suppliers and Factory Supplier, Suppliers

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The SM626H-A-0 data acquisition unit is a state-of-the-art micro RTU system designed by top China suppliers. Built on an advanced ARM microcontroller architecture, this unit features high-precision operational amplifiers, an efficient interface chip, a reliable watchdog circuit, and robust input/output circuits, all complemented by an embedded communication module. As a leading product from a renowned factory, the SM626H-A-0 RTU terminal excels in remote data acquisition, ensuring both stable performance and exceptional cost efficiency.
Engineered specifically for industrial product integration, the SM626H-A-0 data collector is optimized for challenging environments, showcasing enhanced resilience against temperature fluctuations, vibrations, and electromagnetic interference. With its diverse interfaces and dependable operation, this high-tech solution provides unparalleled quality assurance for your equipment, making it a preferred choice among industry professionals.

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Product Description

Product Specifications
Four-way analog acquisition with 16-bit high-precision A/D simultaneous sampling.
Two-channel pulse counting and two-channel switching value sampling functions.
DC 24V output with 20 mA drive capability for two-wire sensors.
Dedicated RS485 instrument communication interface.
Integrated USB interface for quick parameter configuration.
Power-off memory function ensures settings are retained without reset.
Key Features
Model SM626H-A-0: Efficiently collects 4 channels of 4-20mA signals and outputs via 1 channel of RS485 communication.
Technical Parameters
Installation Dimension
83 mm × 94 mm
Shell Size
123 mm × 105 mm × 33 mm
Working Temperature
-20 ℃ ~ +80 ℃
Power Input
DC 9 ~ 24V
Switching Input
2 Optical Dry Contacts
Protection Class
IP65
Frequently Asked Questions
What is the sampling precision of the SM626H-A-0?
The device features 16-bit high-precision A/D simultaneous sampling for its four-way analog acquisition.
How can I configure the device parameters?
Parameters such as range, starting point, and pulse bottom can be configured locally via the integrated USB interface.
Does the device support sensor power supply?
Yes, it provides a dedicated DC 24V output with a 20 mA drive capability specifically designed for two-wire sensors.
Is the device suitable for harsh environments?
With an IP65 protection class and a wide operating temperature range of -20 ℃ to +80 ℃, it is designed for reliable industrial use.
What happens to the settings during a power failure?
The device includes a power-off memory function, so all operating parameters are saved and do not need to be reset after power is restored.
What are the communication options available?
The device is equipped with one RS485 instrument communication interface and a USB interface for parameter setup and data querying.

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